Home / 87,772.36-131,671.50-25,434.76

Finding the Fourth Proportional to 87,772.36, 131,671.50 and 25,434.76

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Solution

The fourth proportional to 87,772.36, 131,671.50 and 25,434.76 is: 38,155.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,772.36 : 131,671.50 = 25,434.76 : x
  2. Step 2: Convert to fraction form
    87,772.36/131,671.50 = 25,434.76/x
  3. Step 3: Cross multiply
    87,772.36x = 131,671.50 × 25,434.76
  4. Step 4: Simplify right side
    87,772.36x = 3,349,033,001.34
  5. Step 5: Solve for x
    x = 3,349,033,001.34/87,772.36
  6. Step 6: Final answer
    x = 38,155.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.